2009881265

素因数分解:

$5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{103843}}^1$

素因数の和:103941

約数の個数: 24

約数和(自身を含む): 2841171840

約数和(自身を除く): 831290575

約数列:

[1, 5, 7, 35, 49, 79, 245, 395, 553, 2765, 3871, 19355, 103843, 519215, 726901, 3634505, 5088307, 8203597, 25441535, 41017985, 57425179, 287125895, 401976253, 2009881265]

約数ペア:

[(1, 2009881265), (5, 401976253), (7, 287125895), (35, 57425179), (49, 41017985), (79, 25441535), (245, 8203597), (395, 5088307), (553, 3634505), (2765, 726901), (3871, 519215), (19355, 103843)]